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Beschreibung

Measures of Positions and Areas of Sun Spots and Faculae on Photographs - taken at Greenwich, Dehra Dun, and Melbourne; with the deduced heliographic longitudes and latitudes, 1878-1881 is an unchanged, high-quality reprint of the original edition of 1891.Hansebooks is editor of the literature on different topic areas such as research and science, travel and expeditions, cooking and nutrition, medicine, and other genres. As a publisher we focus on the preservation of historical literature. Many works of historical writers and scientists are available today as antiques only. Hansebooks newly publishes these books and contributes to the preservation of literature which has become rare and historical knowledge for the future.